Answer / m.w.

Based in IEC 62271-100-2001:


* Measure of main circuit resistance.
* Mechanical operation test of the breaker.
* Test for Operation mechanism at 2000 V.
* Opening and closing time test.

What is vaccum currcuit breaker.define with cause and where be use it device?

0 Answers  

---

Draw the line diagram of diffretial relay connected to transformer?

0 Answers   NTPC,

---

what is role of mpu in dg

1 Answers  

---

what is mean by D.O. in distribution line poles?

0 Answers  

---

what is the use of 6.6kV/6.6kV Transformer???

3 Answers  

---

---

WHY FLEXI LINKS ARE USED INBETWEEN GENERATOR TERMINAL OUTPUT & BUS DUCT CONDUCTOR.

3 Answers  

---

how actually an anti pumping device works? what is the operational principal?

2 Answers  

---

it is possible to run 130V AC and 230 V AC cables run in same tray

2 Answers  

---

what is subtransient , transient and study state ac components

2 Answers  

---

Meaning of ingrace protection for motor.for ex IPXY

0 Answers   BARC,

---

There are different classes of protections in power plants.class a,b,c are clear..is there any class d and e r there..and elaborate class b protection.

0 Answers   GMR,

---

What is the maximum allowed kwa through 2.5mm cable. Electric company installed 2 electric meter at my premises . Two jumper wires of 2.5 mm are used to connect . 2 single phase meters with allowable load 6 and 3 kwa. These jumper wires are taken from a 3 phase electric meter. Meters are in open Sun. What max load these wires can take.

0 Answers   KESC,

---